The authors present introductory material in algebraic topology from a novel point of view in using a homotopy-theoretic approach. This carefully written book can be read by any student who knows some topology, providing a useful method to quickly learn this novel homotopy-theoretic point of view of algebraic topology.

The authors present introductory material in algebraic topology from a novel point of view in using a homotopy-theoretic approach. This carefully written book can be read by any student who knows some topology, providing a useful method to quickly learn this novel homotopy-theoretic point of view of algebraic topology.

Not only an electronic artist, but a dedicated photographer and painter as well, Ildefonso Aguilar seems to state a small late pioneering into Spanish electronic music by just an album, "Erosion" (released 1978, later rehashed into more complete music). After studying Beautiful and Applied Arts, he makes several audio-visual experimentations, plus, between 1978 -1980, he makes impressions and recordings out of journeys taken in different countries. His devotion in this figment goes towards the soft electronic machinery, as well as guitar mastering…